(12-772-8)
Xtreme Energy™, XR286R
MECHANICAL ROLLER: Good in weekend Warrior with 3000 or more stall. Needs good intake and exhaust with low gears.
(12-773-8)
Xtreme Energy™, XR292R
MECHANICAL ROLLER: Best for Pro street, Needs good intake and exhaust, 11:1+ compression and 3500 stall.
| PART NUMBER |
DESCRIPTION |
COM-12-772-8 |
CS XR286R-10 Grind, 2400-6800 RPM, 248 Dur. @ .050, 286 Ad Dur., 110 Lobe Sep., .576 Valve Lift |
COM-12-773-8 |
CS XR292R-10 Grind, 2800-7200 RPM, 254 Dur. @ .050, 292 Ad Dur., 110 Lobe Sep., .582 Valve Lift |